Re: [PATCH 1/2] [v2] powerpc: export ppc_proc_freq and ppc_tb_freq as GPL symbols

[Josh Boyer <jwboyer@linux.vnet.ibm.com>]

On Mon, Sep 20, 2010 at 11:23:41AM -0500, Timur Tabi wrote:
>Export the global variable 'ppc_tb_freq', so that modules (like the Book-E
>watchdog driver) can use it.  To maintain consistency, ppc_proc_freq is changed
>to a GPL-only export.  This is okay, because any module that needs this symbol
>should be an actual Linux driver, which must be GPL-licensed.
>
>Signed-off-by: Timur Tabi <timur@freescale.com>

Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>

>---
>
>This export is necessary for the Book-E watchdog driver to be compiled as a
>module.
>
> arch/powerpc/kernel/time.c |    3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
>diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
>index 8533b3b..0c0c241 100644
>--- a/arch/powerpc/kernel/time.c
>+++ b/arch/powerpc/kernel/time.c
>@@ -161,8 +161,9 @@ extern struct timezone sys_tz;
> static long timezone_offset;
>
> unsigned long ppc_proc_freq;
>-EXPORT_SYMBOL(ppc_proc_freq);
>+EXPORT_SYMBOL_GPL(ppc_proc_freq);
> unsigned long ppc_tb_freq;
>+EXPORT_SYMBOL_GPL(ppc_tb_freq);
>
> static DEFINE_PER_CPU(u64, last_jiffy);
>
>-- 
>1.7.2.3
>
>
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